BZ-DL-ARG-OH Hydrochloride is primarily used in biochemical research and peptide synthesis. It serves as a protected form of arginine, ensuring the amino acid remains stable during chemical reactions. This compound is particularly valuable in the production of custom peptides, where it helps maintain the integrity of the arginine residue. Additionally, it is utilized in studies involving protein structure and function, as well as in the development of pharmaceutical compounds that target specific biological pathways. Its role in facilitating precise peptide assembly makes it a crucial reagent in both academic and industrial laboratories.